the hard, calcareous tissue, similar to but denser than bone, that forms the major portion of a tooth, surrounds the pulp cavity, and is situated beneath the enamel and cementum.
Also den·tine [den-teen] /ˈdɛn tin/
Origin of dentin
Related formsden·tin·al, adjective
First recorded in 1830–40; dent-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for dentin
Historical Examples of dentin
Word Origin and History for dentin
also dentine, the hard substance in teeth, 1836, from comb. form of Latin dens (genitive dentis) "tooth" (see tooth) + chemical suffix -in (2).
Online Etymology Dictionary, © 2010 Douglas Harper
The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
The main bony part of a tooth beneath the enamel, surrounding the pulp chamber and root canals.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The hard, bony material beneath the enamel of a tooth. The bulk of a tooth is made up of dentin.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.